Description
Overview:
The Release Valve Assembly (OEM 11220) is a genuine Villiers component for vintage single-cylinder engines, including the MK20 and MK40. Built with a robust machined metal body and a spring-loaded internal mechanism, it is designed to regulate cylinder pressure to support reliable starting and smooth running. The valve threads directly into the engine head, providing a precise and secure fit that restores original operating characteristics. Ideal for preserving the authenticity of classic machinery, this part is supplied as unused old stock (NOS). Cosmetic signs of age such as light tarnishing may be present, but these do not affect function or durability. If you are maintaining or refurbishing a Villiers-powered machine, this release valve offers the correct specification, dependable performance, and long service life.
Key Features:
- Genuine Villiers part for assured compatibility and quality
- OEM number 11220 for accurate identification and ordering
- Direct replacement design for straightforward installation
- Durable metal construction suited to engine operating conditions
- Regulates cylinder pressure to aid starting and consistent running
- Helps maintain original specification on classic Villiers engines
- New old stock: may show storage tarnish without affecting performance
- Compact threaded form for a secure, leak-resistant fit
Typical Applications:
Used on classic Villiers-powered equipment in horticulture, construction, and agriculture, such as small generators, pumps, rotavators, mowers, and site machinery. Ideal when restoring engines to factory behaviour, improving starting characteristics, or replacing a worn or leaking original valve on long-serving machines.
Also known as:
Decompression valve, decompressor, pressure release valve, compression relief valve, engine release valve, cylinder bleed valve, decomp valve for Villiers engines.
Fits Models:
MK20, MK40
Product Specifications
| L&S Part No. | 11220 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Villiers |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Key Features | - Genuine Villiers part ensures compatibility with MK20, MK40 engines - OEM number 11220 for precise identification - Machined metal body for durability - Spring-loaded mechanism regulates cylinder pressure - Threads directly into engine head for secure fit |
| Fits Models | MK20 | MK40 | MK25 / C25 |
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